atext/client/src/atextcommon.cpp
changeset 0 29b1cd4cb562
child 1 b4a7eebaaebf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/atext/client/src/atextcommon.cpp	Fri Jan 15 08:13:17 2010 +0200
@@ -0,0 +1,226 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Client side interface of ATEXT common functionality
+*
+*/
+
+
+#include <atextcommon.h>
+#include "atextclientsrvcommon.h"
+#include "atext_interfaceuid.h"
+#include "debug.h"
+
+_LIT( KATExtCommonSrvExe, "atextcommon.exe" );
+
+const TUid KATExtSrvUid3 = { 0x2001CBEC };
+
+static TInt StartServer();
+
+// ---------------------------------------------------------------------------
+// Connects to ATEXT server and creates a new session
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt RATExtCommon::Connect( const TDesC8& aName )
+    {
+    TRACE_FUNC_ENTRY
+    TVersion version( KCommonServerMajorVersionNumber,
+                      KCommonServerMinorVersionNumber,
+                      KCommonServerBuildVersionNumber );
+    TInt retVal = CreateSession( KATExtSrvName, version );
+    if ( retVal!=KErrNone && retVal!=KErrAlreadyExists )
+        {
+        retVal = StartServer();
+        if ( retVal==KErrNone || retVal==KErrAlreadyExists )
+            {
+            retVal = CreateSession( KATExtSrvName, version );
+            }
+        }
+    if ( retVal==KErrNone || retVal==KErrAlreadyExists )
+        {
+        retVal = SendReceive( EATExtSetCommonInterface, TIpcArgs(&aName) );
+        }
+    if ( retVal != KErrNone )
+        {
+        Close();
+        }
+    TRACE_FUNC_EXIT
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Synchronously closes the session
+// Optional: client can do either Close() or SynchronousClose()+Close()
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt RATExtCommon::SynchronousClose()
+    {
+    TRACE_FUNC_ENTRY
+    if ( !Handle() )
+        {
+        TRACE_FUNC_EXIT
+        return KErrBadHandle;
+        }
+    TInt retVal = SendReceive( EATExtSynchronousClose );
+    TRACE_FUNC_EXIT
+    return retVal;
+    }
+
+// ---------------------------------------------------------------------------
+// Gets current mode status
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt RATExtCommon::GetMode( TUint& aMask, TUint& aMode )
+    {
+    TRACE_FUNC_ENTRY
+    if ( !Handle() )
+        {
+        TRACE_FUNC_EXIT
+        return KErrBadHandle;
+        }
+    TPckg<TUint> maskPckg( aMask );
+    TPckg<TUint> modePckg( aMode );
+    TInt retVal = SendReceive( EATExtGetMode, TIpcArgs(&maskPckg,&modePckg) );
+    TRACE_FUNC_EXIT
+    return retVal;
+    }
+
+// ---------------------------------------------------------------------------
+// Receives mode status change
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt RATExtCommon::ReceiveModeStatusChange( TRequestStatus& aStatus,
+                                                     TPckg<TUint>& aMode )
+    {
+    TRACE_FUNC_ENTRY
+    if ( !Handle() )
+        {
+        TRequestStatus* status = &aStatus;
+        aStatus = KRequestPending;
+        User::RequestComplete( status, KErrBadHandle );
+        TRACE_FUNC_EXIT
+        return KErrBadHandle;
+        }
+    SendReceive( EATExtReceiveModeStatusChange, TIpcArgs(&aMode), aStatus );
+    TRACE_FUNC_EXIT
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Cancels a pending receiving request
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt RATExtCommon::CancelReceiveModeStatusChange()
+    {
+    TRACE_FUNC_ENTRY
+    if ( !Handle() )
+        {
+        TRACE_FUNC_EXIT
+        return KErrBadHandle;
+        }
+    TInt retVal = SendReceive( EATExtCancelReceiveModeStatusChange );
+    TRACE_FUNC_EXIT
+    return retVal;
+    }
+
+// ---------------------------------------------------------------------------
+// Gets current NVRAM status
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt RATExtCommon::GetNvramStatus(
+    TBuf8<KDefaultNvramBufLength>& aNvram )
+    {
+    TRACE_FUNC_ENTRY
+    if ( !Handle() )
+        {
+        TRACE_FUNC_EXIT
+        return KErrBadHandle;
+        }
+    TInt retVal = SendReceive( EATExtGetNvramStatus,
+                               TIpcArgs(&aNvram) );
+    TRACE_FUNC_EXIT
+    return retVal;
+    }
+
+// ---------------------------------------------------------------------------
+// Receives NVRAM status change
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt RATExtCommon::ReceiveNvramStatusChange(
+    TRequestStatus& aStatus,
+    TBuf8<KDefaultNvramBufLength>& aNvram )
+    {
+    TRACE_FUNC_ENTRY
+    if ( !Handle() )
+        {
+        TRequestStatus* status = &aStatus;
+        aStatus = KRequestPending;
+        User::RequestComplete( status, KErrBadHandle );
+        TRACE_FUNC_EXIT
+        return KErrBadHandle;
+        }
+    SendReceive( EATExtReceiveNvramStatusChange,
+                 TIpcArgs(&aNvram),
+                 aStatus );
+    TRACE_FUNC_EXIT
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Cancels a pending NVRAM receive request
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt RATExtCommon::CancelReceiveNvramStatusChange()
+    {
+    TRACE_FUNC_ENTRY
+    if ( !Handle() )
+        {
+        TRACE_FUNC_EXIT
+        return KErrBadHandle;
+        }
+    TInt retVal = SendReceive( EATExtCancelReceiveNvramStatusChange );
+    TRACE_FUNC_EXIT
+    return retVal;
+    }
+
+// ---------------------------------------------------------------------------
+// Starts the server
+// ---------------------------------------------------------------------------
+//
+TInt StartServer()
+    {
+    TRACE_STATIC_FUNC
+    const TUidType serverUid( KNullUid, KNullUid, KATExtSrvUid3 );
+    RProcess server;
+    TInt retTemp = server.Create( KATExtCommonSrvExe, KNullDesC, serverUid );
+    server.SetPriority( EPriorityHigh );
+    if ( retTemp != KErrNone )
+        {
+        return retTemp;
+        }
+    TRequestStatus status;
+    server.Rendezvous( status );
+    if ( status != KRequestPending )
+        {
+        server.Kill( 0 );
+        }
+    else
+        {
+        server.Resume();
+        }
+    User::WaitForRequest( status );
+    TRACE_INFO((_L("Server started, code %d"), status.Int()))
+    retTemp = ( server.ExitType() == EExitPanic ) ? KErrGeneral : status.Int();
+    server.Close();
+    return retTemp;
+    }